Rotary pump.



I. B. HUMPHREYS. ROTARY PUMP. APPLICATION FILED MAY13, 1910.

991,314. Patented May 2, 1911.

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I. B. HUMPHREYS.

ROTARY PUMP.

APPLIOATION FILED MAY 13, 1910.

991,314. Patented May 2,1911

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IRA BOYD I-IUMPHREYS, OF DENVER, COLORADO.

ROTARY PUMP.

Specification of Letters Patent.

'.ato11tetl May 2, 1911.

Application filed May 13, 1910. Serial No. 561,111.

T 0 all whom it may concern:

.130 it known that I, In.-\ lion) ,l iumrnlun's, a citizen of the.United States, re.- siding at Denver, in the count-y of Denver and Stateof Colorado, have invented certain new and useful Improvements in RotaryIumps, of which the tlfollowing is a specification.

lVIy invention relates to an improvement in rotary pumps, and the objectis to provide a runner having blades which are adapted to slide,radially through the runner, and which are caused to slide through theradial member as they travel over a sta. tionary am or eccentric.

The invention consists in certain novel features of construction andcombinations of parts which will be hereinafter fully described andpointed out in the claims.

In the accompanying drawings :l igure 1 is a view in side elevation,with one of the ends removed; Fig. 2 is a longitudinal verticalsectional view; Fig. 8 is a transverse vertical sectional view; andFigs. at and 5 are views in elevation of the blades.

A represents the casing or housing, which consists of a base 1, theinner surface of which is concave, to produce, preferably, a SO-degreeare, and 2 is the top, the inner surface of which is concave, to producea 90-degree are. The ends 3 and 1 are connected to the top and base bymeans of bolts 5. A runner B, is made in two sections, which sectionsare connected together by means of bolts 6. The hubs 7 of the runner Bare journaled in the hubs 8 and 9 of the ends 3 and 4. The shaft 10 isjournaled in the hub of the end 3, and is connected to one of thesections of the runner B, and the other section of the runner isjournaled on a hollow shaft 11, which is mounted in the hub 9. Mountedin the hollow shaft 11 is a shaft 12, which is held against movement bya pin 18, which passes through the hub 9, and through the shaft 12. Acap 14 is screwed upon the hub 9, which retains the pin 13 in place.Mounted upon the inner end of the shaft 12 is a cam or eccentric 15,which is received in av chamber 16 in the runner B which is formed byrecesses 17 formed on the inner faces of each section of the runner B.

The runner B is provided with slots 28 for the reception of the blades18 and 19. The blades 18 and 19 are made in pairs, and each pair isconnected by a webbing 20 and 21. The webbing 20, which connects theblades 18 together, connects them at. or near one end. so that a slot 22is formed between the blades, and mounted along the inner surfaces andin suitable recesses 23 are rollers 24', which are adapted to bearagainst the cam or eccentric 15. The web 21, which connects the blades1.!) together, connects them near the center, and the rollers 25, whichare mounted in recesses 26, are. at the center of the blades 19, and areadapted to be received upon the eccentric or cam 15, and the web 21 isreceived in the space formed between the web 20 and the rollers 2%]:between the blades 18. In this manner of assembling the blades, theblades 18 would lie in a direction atright angles to the position takenby the blades 19. The webs 20 and 21 extend through the opening 27,which is formed at the center of one of the sections B, whereas theblades 18 and 19will be received on each side of the shaft 11, and overthe eccentric or cam 15, whereby the rollers 25 and 24 will haveengagement -with the eccentric for causing the blades to be movedthrough the slots in the runner.

A suction opening 29 is formed at one side of the casing, and thedischarge opening 30 is formed at the other, so that as the runner isrotated, the blades will be caused to come into engagt-anent with thestationary eccentric 15, and one of the blades 18 or I9 will be causedto slide through one of the slots 28, whereby the water will be drawninto the pump casing through the opening 2., and carried along the base1 and discharged through the opening 30.

As the runner continues to rotate, the blade which has just acted uponthe water for forcing it through the casing will tend to move upwardtoward the top of the casing, and the eccentric will have caused anotherblade to be forced outward to act upon the water and force it throughthe casing, while the previous blade is being drawn into the runner,whereby the duplicate blade Will be acted upon by the eccentric andforced outwardly through a slot by the eccentric, to bring it inposition to draw the water into the casing and force it out through theoutlet or discharge opening.

Having fully described my invention, what I claim as new and desire tosecure by Letters Patent, is

1. In a rotary pump, the combination with a casing, of a runner mountedtherein having slots,double blades mounted in the slots, and a camengaging the blades for forcing them in and out of the runner, theoperating point of the cam being the same for all blades.

2. In a rotary pump, the combination with a casing, of a sectionalrunner mounted therein having slots, a chamber formed between the twosections of the runner, double blades mounted in the slots, and a camengaging the blades for forcing them in and out of the runner, theoperating point of the cam being the same for all blades.

3. In a rotary pump, the combination with a casing, of a runner mountedin the casing made in sections, said runner having slots therein, doubleblades received in the slots, Webs connecting the blades of each doubleblade together, one section of said runner having a passage for the Websof the blades, a chamber formed between the ends of the two sections, astationary shaft, and a cam on the stationary shaft received in thechamber, adapted to engage the inner ends of the blades and force themoutwardly. I

In testimony whereof I affix my signature, in the presence of twowitnesses.

IRA BOYD HUMPI-IREYS. Vitnesses A. E. I-IUMPI-IREYS, E. J. MALONE.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

' Washington, D. G.

